South Dakota hail map — July 31, 2024
NOAA radar detected hail of an inch or more over 2 South Dakota cities on July 31, 2024. The largest stones — 1.00″, quarter size — fell over Aberdeen.
- Cities hit
- 2
- in South Dakota
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- from stone size
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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South Dakota cities hit on July 31, 2024
What people on the ground measured in South Dakota on July 31, 2024
6 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 2.00″ hen egg size PublicHerrick, SD7:00 PM CDTGregory County
Social media report with picture of hail estimated to be 2 inches.
- 1.25″ half dollar size Public3 NNE Sisseton Municipa, SD5:20 PM CDTRoberts County
- 1.00″ quarter size Law Enforcement5 N Groton, SD4:15 PM CDTBrown County
Nickel to quarter size hail.
- 1.00″ quarter size Law EnforcementBurke, SD6:42 PM CDTGregory County
- 1.00″ quarter size PublicCanistota, SD10:30 PM CDTMcCook County
Social media report with picture of quarter sized hail southeast of Canastota.
- 0.75″ penny size PublicCastlewood, SD7:04 PM CDTHamlin County
Report from mPING: Dime (0.75 in.).
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Other South Dakota hail days
South Dakota hail on July 31, 2024
NOAA radar put hail of an inch or more over 2 South Dakota cities that day. The largest stones — 1.00 inches, quarter size — were over Aberdeen. Every city hit is listed above with its own stone size.